A major milestone with Project Marseille, a 1991 BMW E31 850i! After 2 long years of restoring this beautiful car, it's time for the very first start of the mighty M70B54+ V12 engine. In this episode, we are overhauling the limited slip differential, axle output shafts, installing the driveshaft, fixing the exhaust... and firing up the V12! Diff rebuild video - • How-To & In-Depth Limited Slip Differ... Find Liqui Moly oil and additives for your car - https://liqui-moly.to/oilguide_car Florian - https://limitedslip.de/index.html E31 new driveshafts - tjhoffs@gmail.com 2nd channel - / @m539plus New Merch shop! - https://m539restorations.com/ You can support me on Patreon! - / m539restorations Follow me on Instagram - / m539_restorations M539 community - https://m539-community-index.glide.pa... Aqua (vapor) blasting cabinet 1215 - https://www.vaporblastingequipment.co... BendPak lifts - https://www.bendpak.com/ Luuk, BendPak & Quickjack Europe - https://liftmotive